237 research outputs found

    A Study on Characteristics of Echoes from Planar Defects by the Ultrasonic Testing of Angle Beam Technique

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    The application of field-welded butt joints of flanges and web plates for steel girder bridges has been on the increase in Japan. Figure 1 is an illustration of such a field-welded joint. The thickness of the flange plate may at times be in excess of 75 mm. Radiographic testing has been used to inspect the quality of welded joints in the shop; however, taking into account material having a thickness that is beyond the capacity of the radiographic testing and the risk of using X-rays in the field, ultrasonic testing is applied to field-welded joints [1,2]

    FATIGUE DAMAGE CASES DUE TO INAPPROPRIATE FABRICATION IN STEEL BRIDGE STRUCTURES

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    A Study on Characteristics of Echoes from Planar Defects by the Ultrasonic Testing of Angle Beam Technique

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    The application of field-welded butt joints of flanges and web plates for steel girder bridges has been on the increase in Japan. Figure 1 is an illustration of such a field-welded joint. The thickness of the flange plate may at times be in excess of 75 mm. Radiographic testing has been used to inspect the quality of welded joints in the shop; however, taking into account material having a thickness that is beyond the capacity of the radiographic testing and the risk of using X-rays in the field, ultrasonic testing is applied to field-welded joints [1,2].</p

    EXTENDING FATIGUE LIFE OF CRACKED OUT-OF-PLANE GUSSET BY ICR TREATMENT

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    THREE-DIMENSIONAL FLAW SHAPE RECONSTRUCTION BY LINEARIZED INVERSE SCATTERING METHOD

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